Table 8. Personality traits of different ages and multiple comparative LSD difference test.

	Kindness	Emotional sensitivity	Openness to experience	Diligence and integrity	P5(Extroversion)
V1 < 30	2.235±1.1911	2.964±0.7844	2.758±1.0768	2.699±1.0426	2.616±1.2740
V2 = 30–40	2.755±1.2166	2.817±0.8209	3.091±1.0908	3.086±1.1277	3.126±1.3771
V3 = 41–50	2.516±1.2149	2.969±0.8095	2.806±1.0399	2.912±1.1279	2.898±1.3180
V4 > 50	2.714±1.2554	2.797±0.9139	3.141±1.0761	3.063±1.3178	3.313±1.4219
V1-V2	-0.5196*	0.1297	-0.3334*	-0.3871*	-0.5099*
V1-V3	-0.2810	-0.0232	-0.0481	-0.2126	-0.2815
V1-V4	-0.5060	0.1494	-0.3826	-0.3636	-0.6960
V2-V3	0.2386	-0.1529	0.2853	0.1745	0.2284
V2-V4	0.0135	0.0197	-0.0492	0.0235	-0.1862
V3-V4	-0.2250	0.1725	-0.3345	-0.1590	-0.4145

Note:*P<0.05

**P<0.01